/*
 *  fx/TexturedGrid.h
 *
 *  Copyright 2009 Peter Barth
 *
 *  This file is part of Milkytracker.
 *
 *  Milkytracker is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  Milkytracker is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with Milkytracker.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef TEXTUREDGRID__H
#define TEXTUREDGRID__H

#include "FXInterface.h"

struct VectorFP;

class TexturedGrid : public FXInterface
{
    protected:
        int fov;
        int gridshift;
        int gridsize;               // must be 1 << GRIDSHIFT

        VectorFP* grid;
        int gridWidth, gridHeight;

        unsigned short* texture;
        unsigned short* buffer;

        int sintab[1024];
    public:
        TexturedGrid (int width, int height, int gridshift);
        virtual ~TexturedGrid ();

        void setTexture(unsigned short* texture) {
            this->texture = texture;
        }

        // from FXInterface
        virtual void render(unsigned short* vscreen, unsigned int pitch);
        virtual void update(float syncFrac);

};

#endif